Planta Medica, Table of Contents Planta Med 1979; 35(1): 92-94DOI: 10.1055/s-0028-1097190 Short Communications © Georg Thieme Verlag Stuttgart · New York Alkaloids from Uncaria quadrangularis Payom Tantivatana, Dhavadee Ponglux, V. Jirawongse, Yupa Silpvisavanont Department of Pharmacognosy, Faculty of Pharmaceutical Sciences Chulalongkorn University, Bangkok 5, Thailand. Recommend Article Abstract PDF Download Buy Article Key Word Index Uncaria quadrangularis - Rubiaceae - Mitraphylline - Isomitraphylline - Pteropodine - Isopteropodine PDF (212 kb)